Home / 8,319,145.40-12,482,865.30-4,727,670.20

Finding the Fourth Proportional to 8,319,145.40, 12,482,865.30 and 4,727,670.20

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Solution

The fourth proportional to 8,319,145.40, 12,482,865.30 and 4,727,670.20 is: 7,093,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,145.40 : 12,482,865.30 = 4,727,670.20 : x
  2. Step 2: Convert to fraction form
    8,319,145.40/12,482,865.30 = 4,727,670.20/x
  3. Step 3: Cross multiply
    8,319,145.40x = 12,482,865.30 × 4,727,670.20
  4. Step 4: Simplify right side
    8,319,145.40x = 59,014,870,289,424.06
  5. Step 5: Solve for x
    x = 59,014,870,289,424.06/8,319,145.40
  6. Step 6: Final answer
    x = 7,093,862.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.